# ###############################################
# Detect OS's.

IF( "${CMAKE_SYSTEM_NAME}" STREQUAL "Windows" )
	SET( OS_WINDOWS ON )
ELSEIF( "${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin" )
	SET( OS_DARWIN ON )
ELSEIF( "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" )
	SET( OS_LINUX ON )
ENDIF()
